How to Judge a Tea's Age: Young Tea Made to Look Old and Fake Aged Tea
"This is 20-year-old tea." How much is that sentence worth? In the pu'er market, age often determines a multiple of the price, which makes it the most easily exaggerated piece of information. There's no foolproof way to judge age, but knowing the common tricks and giveaways will spare you a lot of trouble.
How to Determine a Tea's Real Age
From most to least reliable, roughly:
- Traceable provenance: Which factory and batch it came from, who bought it, where it was stored, and whether there's a continuous record. This is the strongest evidence.
- Production date and batch number on the packaging: Properly produced tea is labeled, but aged and privately commissioned teas often aren't, or the labels may be imitated.
- Tasting and spent leaves: Whether the tea's condition matches the claimed age.
- Appearance (wrapper, cake shape, color): The least valuable reference, because it's the easiest to imitate.
Note that a recipe number (such as 7542) is a recipe code, not a production year; see Recipe Number Rules and Production Dates and Shelf-Life Labels.
What Is "Making Tea Look Old"?
Making tea look old (做舊) means using artificial methods so that young tea "looks and tastes" like aged tea. Common methods include:
- Rapid transformation with high heat and humidity: Keeping tea in a damp, hot, stuffy environment so the leaves darken and lose bitterness and astringency in a short time.
- Aged packaging: Yellowing and distressing the wrapper, or using printing that imitates old styles.
- Passing off ripe tea, or blends with ripe tea, as aged raw tea: Taking advantage of ripe tea's deep red liquor.
Making tea look old differs from normal storage: normal storage lets tea age naturally over a long time in a controlled environment, whereas the aim of making tea look old is to "disguise" its age in a short time. The difference between wet and dry storage is in Dry Storage and Wet Storage.
Can You Taste Forced "Aged Tea"?
Often, yes. Common giveaways:
| Item | Naturally aged tea | Tea forced with high heat and humidity |
|---|---|---|
| Aroma | Clean aged aroma, possibly with woody, herbal, or camphor notes | Storage taste, mold, stuffiness, or a hollow aroma |
| Liquor color | Dark yet bright and translucent | Dark but dull and not translucent |
| Taste | Mellow and thick, layered, lasting huigan | Thin, hollow; bitterness and astringency gone but sweetness not obvious either |
| Staying power | Still holds up, sweet even in later infusions | Dark in the first few infusions, then quickly weakens |
| Spent leaves | Chestnut brown, still somewhat springy | Dull, stiff, blackened, or crumbly |
| Throat | Moist | May prickle or lock the throat |
The single most important point: liquor color can be forced; inner substance is hard to force. If the color has darkened and bitterness and astringency have faded, but there's no layering, clean aged aroma, or lasting huigan, be on your guard. Telling mold from storage taste is covered in Storage Taste, Aged Taste, and Mold.
Can the Year on the Packaging Be Faked?
Yes, and it's the easiest thing to fake. Wrappers, neifei, and neipiao can all be reprinted, and old wrappers may be used to wrap new tea. So packaging can only be a clue, not evidence. The components of packaging are covered in Neifei and Neipiao and Dapiao.
Handmade vs. Machine-Made Cotton Paper
Common observations in the tea world:
- Handmade cotton paper: Longer fibers, unevenly distributed; held to the light, you can see the fibers and an uneven texture of thick and thin areas, sometimes with the screen lines left by papermaking. It feels soft and tough.
- Machine-made paper: Even thickness, regular texture, and a smoother surface.
Generally, much tea in earlier years used handmade paper, and machine-made paper has become common in recent years, but handmade paper is still in use today, so "handmade paper = aged tea" doesn't hold. It's only one clue among many.
Can Printing Colors and Ink Reveal Age?
They can provide some reference, but it takes a great deal of comparative experience:
- Printing methods differ across eras; typefaces, line weights, and the precision of color registration all leave marks of their time.
- New printing usually has sharp lines and saturated colors; old printing, after many years, may have faded and oxidized naturally.
- For the wrappers of classic aged teas, collectors have plenty of reference material, and professional authenticators compare details of typeface, layout, paper, and printing.
But imitators study these details too, and artificially aged paper and printing are hard for laypeople to distinguish. So for ordinary consumers, printing is just a reference; tasting and provenance matter more. Packaging features of different periods are covered in Yin-Grade Teas and Hao-Grade, Yin-Grade, and Seven Sons Cakes.
Why Do People Imitate Old Packaging?
It comes down to the price gap: wrap the same tea in an old-style wrapper and call it aged, and the price can multiply several times. There are also "reissue" or "commemorative" wrappers that aren't meant to deceive, but once they enter the secondhand market, they may be mistaken for, or deliberately passed off as, the original.
Practical Advice
- If you mostly drink for yourself, don't chase age: Good young and mid-aged teas are delicious too.
- If you want aged tea, buy from a trustworthy source: Only aged tea with a clearly explained history is worth that price.
- Buy small portions first: Confirm by tasting; see Buy Small Portions First.
- Compare price with age: Cheap "aged tea" is usually cheap for a reason.
FAQ
How do I determine a tea's real age? Traceable provenance is most reliable, followed by proper production dates and batch numbers, then checking against tasting and spent leaves; packaging appearance is the least valuable reference.
What is making tea look old? Using rapid transformation with high heat and humidity, distressed packaging, or passing off ripe tea to make young tea look like aged tea.
Can you taste forced "aged tea"? Often, yes: a dark but dull liquor, storage or moldy aromas, a thin and hollow taste, little staying power, and dull, stiff spent leaves.
How does handmade cotton paper differ from machine-made? Handmade paper has long fibers, uneven thickness, and possibly screen lines; machine-made paper is even and smooth. Handmade paper is still used today, so it isn't evidence of aged tea.
Can printing reveal age? It can provide a reference, but imitators copy it too; ordinary consumers should rely mainly on provenance and tasting.